Overview

overview

10

Static

static

1

7b33de62da...b6.rtf

windows7-x64

10

7b33de62da...b6.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    c7b4ec460b896ccd9f368467d06ee44b.bin

  • Size

    21KB

  • Sample

    241014-lxr96axhpn

  • MD5

    4eec673669c235d3ca883234b46f3f1b

  • SHA1

    75310ea8092fded7ec61b09ec2fc405c5e46e7d4

  • SHA256

    6ca520e97dfe6393496e17c91939b34a2e5177f6b63fdeabd22d12bf6469f044

  • SHA512

    2e8b438c2e3e4514fa6a5500a71e8b11aeffdc345d42e24f6ef35db2afca99c55b528852b4c210313f10694a372e121f7aff0ab0176efabb2b2972ad6f9a6c6e

  • SSDEEP

    384:u9Za/Wju6UmS5cQX2EeVb48egTQJ6h49hQqmY5zDgi8me5dPITyA9HTQ9FxPH:oXu6U5BObVeoKU4W+Dg7b5dwTyA9Ql

Score
10/10
remcosnewestcollectiondiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

newest

C2

107.173.4.16:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FI789R

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      7b33de62dafef125fe428afe47e9a353749a6632d58809ce428b7514886b49b6.rtf

    • Size

      86KB

    • MD5

      c7b4ec460b896ccd9f368467d06ee44b

    • SHA1

      58d4ed5d5791401f4555d6278a179e5c65563c8a

    • SHA256

      7b33de62dafef125fe428afe47e9a353749a6632d58809ce428b7514886b49b6

    • SHA512

      d82b5ecc391f92e17161ce7b98f62b273f9a51d6c294272aacc1efa1b2d2dc7c8c1095103197d6fe023b21d8b161978c4c6073aed78758649031da99fd687d9c

    • SSDEEP

      768:t9QdTYkH9SFwul5U0mGL8ogS2fw6Vgr9JE:Mkkdzuglo8og3fJVmE

    Score
    10/10
    remcosnewestcollectiondiscoveryrat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks